- Creating JSON documents from java classes using gson
- addToBackStack (FragmentTransaction)
- scheduleAtFixedRate (Timer)
- setContentView (Activity)
- BufferedInputStream (java.io)
A BufferedInputStream adds functionality to another input stream-namely, the
ability to buffer the i
- FileOutputStream (java.io)
An output stream that writes bytes to a file. If the output file exists, it can
be replaced or appen
- Path (java.nio.file)
- HashSet (java.util)
HashSet is an implementation of a Set. All optional operations (adding and
removing) are supported.
- HttpServlet (javax.servlet.http)
Provides an abstract class to be subclassed to create an HTTP servlet suitable
for a Web site. A sub
- Base64 (org.apache.commons.codec.binary)
Provides Base64 encoding and decoding as defined by RFC 2045.This class
implements section 6.8. Base
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